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    • 15. 发明申请
    • STRENGTHENED IRON CATALYST FOR SLURRY REACTORS
    • 用于浆料反应器的强化铁催化剂
    • WO2009032701A3
    • 2009-05-07
    • PCT/US2008074484
    • 2008-08-27
    • RENTECH INCBENHAM CHARLES BFRAENKEL DANBLEY RICHARD ATAYLOR JESSE WDEMIREL BELMAROLFE SARA LWRIGHT HAROLD A
    • DEMIREL BELMAROLFE SARA LWRIGHT HAROLD A
    • B01J23/78C07C27/06
    • B01J23/78B01J21/005B01J21/08B01J37/03C10G2/331C10G2300/70
    • A method of strengthening a precipitated unsupported iron catalyst by: preparing a precipitated unsupported iron catalyst containing copper and potassium; adding a solution comprising a structural promoter to the previously prepared catalyst; drying the mixture; and calcining the dried catalyst. A method for preparing an iron catalyst, the method comprising: precipitating a catalyst precursor comprising iron phases selected from hydroxides, oxides, and carbonates; adding a promoter to the catalyst precursor to yield a promoted precursor; drying the promoted precursor to yield dried catalyst; and calcining the dried catalyst, wherein the catalyst further comprises copper and potassium. A method of preparing a strengthened precipitated iron catalyst comprising: co-precipitating iron, copper, magnesium, and aluminum; washing the precipitate; alkalizing the precipitate; and drying the precipitate to yield a dried catalyst precursor. The dried catalyst precursor may be calcined and treated with a gas comprising carbon monoxide.
    • 一种通过以下方法强化沉淀的无载体铁催化剂:制备沉淀的含铜和钾的无载体铁催化剂; 向先前制备的催化剂中加入包含结构促进剂的溶液; 干燥混合物; 并煅烧干燥的催化剂。 一种制备铁催化剂的方法,所述方法包括:沉淀包含选自氢氧化物,氧化物和碳酸盐的铁相的催化剂前体; 向催化剂前体中加入促进剂以产生促进的前体; 干燥促进的前体以产生干燥的催化剂; 并煅烧所述干燥的催化剂,其中所述催化剂还包含铜和钾。 一种制备强化沉淀铁催化剂的方法,包括:共沉淀铁,铜,镁和铝; 洗涤沉淀物; 使沉淀物碱化; 并干燥沉淀物,得到干燥的催化剂前体。 干燥的催化剂前体可以被煅烧并用包含一氧化碳的气体处理。